Journal of Crohn's and Colitis
Journal of Crohn's and Colitis > 2011 > 5 > 6 > 520-524
Journal of Crohn's and Colitis > 2012 > 6 > 9 > 887-894
Journal of Crohn's and Colitis > 2013 > 7 > 5 > 385-391
Journal of Crohn's and Colitis > 2014 > 8 > 12 > 1735-1739